Process for making polyolefin films

Details Process for making polyolefin films Process for making polyolefin films

1992-07-13

1993-05-25

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

26421123, 2642884, 2642902, 523351, 524274, 525210, B29C 4706, B29C 4760, B32B 3130

Patent

active

052137449

ABSTRACT:
Polyolefin films for heat sealed packaging and twist wrapping are obtained by blending under high shear conditions and a rosin or resin, preferably hydrogenated to form a concentrate containing from 10 to 90 wt. %, preferably 20 to 60 wt. % of the resin or rosin and subsequently blending the concentrate with a and extruding the resultant blend to form a film.

REFERENCES:
patent: 3361849 (1968-01-01), Cramer et al.
patent: 3666836 (1972-05-01), John
patent: 4343852 (1982-08-01), Isaka et al.

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